[Bug 102289] SynMark CSDof misrenders with "i965/surface_state: Get the aux usage from the miptree code"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102289

--- Comment #6 from Topi Pohjolainen <topi.pohjolainen at intel.com> ---
I'll give it a go.

Meanwhile I'll note here some of my findings. First hang I got was actually in
blit ring (coming from readpixels()). I simply made the actual blit a no-op to
see if I get similar hangs I saw with HSW.

What I got looks very different, seems that batchbuffer contains garbage
(0x423303d0 doesn't look like valid op-code at all):

batchbuffer (render ring (submitted by testfw_app [3096])) at 0x1aa4b000
0x1aa4b000:      0x423303d0: 2D UNKNOWN
0x1aa4b004:      0xc2a90ba2: UNKNOWN
0x1aa4b008:      0x43164f2a: 2D UNKNOWN
0x1aa4b00c:      0x43168086: 2D UNKNOWN
0x1aa4b010:      0x423303d0: 2D UNKNOWN
0x1aa4b014:      0xc2a90ba2: UNKNOWN
0x1aa4b018:      0x43164f2a: 2D UNKNOWN
0x1aa4b01c:      0x43168086: 2D UNKNOWN
0x1aa4b020:      0x42393ff0: 2D UNKNOWN
0x1aa4b024:      0xc2b2caae: UNKNOWN
0x1aa4b028:      0x43199be2: 2D UNKNOWN
0x1aa4b02c:      0x4319cd34: 2D UNKNOWN
0x1aa4b030:      0x42393ff0: 2D UNKNOWN
0x1aa4b034:      0xc2b2caae: UNKNOWN
0x1aa4b038:      0x43199be2: 2D UNKNOWN
0x1aa4b03c:      0x4319cd34: 2D UNKNOWN
0x1aa4b040:      0x422f8890: 2D UNKNOWN
0x1aa4b044:      0xc2a6efdd: UNKNOWN
0x1aa4b048:      0x43189bbb: 2D UNKNOWN
0x1aa4b04c:      0x4318cd10: 2D UNKNOWN
0x1aa4b050:      0x422f8890: 2D UNKNOWN
0x1aa4b054:      0xc2a6efdd: UNKNOWN
0x1aa4b058:      0x43189bbb: 2D UNKNOWN
0x1aa4b05c:      0x4318cd10: 2D UNKNOWN
0x1aa4b060:      0xc1208f4b: UNKNOWN
0x1aa4b064:      0xc132a236: UNKNOWN
0x1aa4b068:      0x431b235e: 2D UNKNOWN
0x1aa4b06c:      0x431b54aa: 2D UNKNOWN
0x1aa4b070:      0x00000000: MI_NOOP
0x1aa4b074:      0x7a000003: PIPE_CONTROL

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